136804338 has 96 divisors (see below), whose sum is σ = 346731840. Its totient is φ = 38522880.

The previous prime is 136804307. The next prime is 136804361. The reversal of 136804338 is 833408631.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326293 + ... + 326711.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 2^136804338 is an apocalyptic number.

136804338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136804338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173365920).

136804338 is an abundant number, since it is smaller than the sum of its proper divisors (209927502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136804338 is a wasteful number, since it uses less digits than its factorization.

136804338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 136804338 is about 11696.3386578878. The cubic root of 136804338 is about 515.2681395005.

The spelling of 136804338 in words is "one hundred thirty-six million, eight hundred four thousand, three hundred thirty-eight".